نتایج جستجو برای: down staging
تعداد نتایج: 235510 فیلتر نتایج به سال:
OBJECTIVE This study sought to assess the real incidence of pN2 among patients with non-small-cell lung cancer (NSCLC) (cN0) with negative mediastinal uptake of 2-deoxy-2-(18F)-fluoro-o-glucose (FDG). METHODS During 30 consecutive months (January 2007-May 2009), all patients with NSCLC scheduled for surgery in our unit had a preoperative FDG-positron emission tomography (PET)/computed tomogra...
Background & Objectives: Oral submucous fibrosis (OSMF) is a condition where excessive deposition of dense collagen fibers occurred in the connective tissue of oral mucosa. An alteration of collagen necessitates an in depth understanding of collagen in oral tissues as no breakthrough studies have been reported. Therefore the aim was to correlate the clinical, functional and histopathol...
PURPOSE The utility of N classification has been questioned after the 7th edition of the American Joint Committee on Cancer (AJCC)/Union for International Cancer Control (UICC) was published. We evaluated the correlation between ratio-based N (rN) classification with the overall survival of pathological T4 gastric cancer patients who underwent D2 lymphadenectomy. MATERIALS AND METHODS We revi...
OBJECTIVE FDG-PET can contribute significantly to the preoperative period of patients with planned curative resections or with isolated liver or lung metastasis. In this study, we analyze the importance and diagnostic value of FDG-PET in the preoperative evaluation of gastric cancers by correlating its value with computerized tomography (CT). MATERIALS AND METHODS A prospective study was cond...
INTRODUCTION The properties of a tumor itself were considered the main factors determining the survival of patients with locally recurrent nasopharyngeal carcinoma (NPC) treated with intensity-modulated radiotherapy (IMRT). However, recurrent tumors were mainly evaluated by using the American Joint Committee on Cancer staging system, which was modeled on primary tumors and did not incorporate t...
this study investigated (a) the learners’ existing reading strategy repertoire, (b) the effect of instruction in reading strategies on learners’ strategic performance, and (c) the effect of explicit instruction in top-down reading strategies on reading comprehension ability of intermediate learners. the study was conducted with 40 intermediate efl learners in two groups of experimental and cont...
background: today the use of laparoscopy before laparotomy is an effective method for decision-making in patients with gastric adenocarcinoma. the reliance on ct scans for decision-making purposes is not only unhelpful, yet also misleading . nonetheless, indications for laparoscopy and its application are changing daily. the low quality of diagnostic tools and epidemiological situation in our c...
Background: Endometrial cancer is the fourth most common carcinoma in women across globe. Treatment and prognosis are influenced by surgical international federation of gynecology obstetrics staging system with evaluation depth myometrium invasion, cervical extension presence lymph node distant metastasis. This study aims to compare MRI findings preoperative endometrial intra-operative revised ...
Background: Colorectal cancer is the third common cancer world wide and the forth in Iran. Neoadjuvant chemoradiotherapy is the standard treatment for locally advanced rectal cancer. In this study we evaluate the efficacy a cox-2 inhibitor on pathologic response, sphincter preservation and acute toxicity during neoadjuvant chemoradiation. Methods: Thirty-six patients that have adenocarcinoma o...
background: differentiation between the muscularis mucosae (mm) and muscularispropria (mp) of the bladder remains challenging. objective: to identify mm- and mp-specific antigens that could be of potential value for staging of urothelialcarcinomain a pilot study. method: the expression of 12 protein antigens in 11 human bladder specimens was examined. there were 5 post radical cystectomy specim...
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